Master Db errors

DBCC results for 'sysfilegroups'.
There are 1 rows in 1 pages for object 'sysfilegroups'.
Msg 8906, Level 16, State 1, Line 1
Page (1:10) in database ID 8 is allocated in the SGAM (1:3) and PFS (1:1), but was not allocated in any IAM. PFS flags 'MIXED_EXT ALLOCATED 0_PCT_FULL'.
CHECKDB found 1 allocation errors and 0 consistency errors in table 'ALLOCATION' (object ID 99).
DBCC results for 'spt_monitor'.
There are 1 rows in 1 pages for object 'spt_monitor'.